Dr. James Kildare - played by Richard Chamberlain - was a young and dedicated intern with Blair General Hospital. His boss, mentor and father figure was Dr. Leonard Gillespie, and together they tended to the physical ailments of their patients--sometimes even becoming involved in their personal problems as well. Later, as Kildare became more confident and secure in his abilities, he was promoted to resident, but his dedication to his patients never wavered.?

This is Season 3 Episode 15: "A Willing Suspension of Disbelief" - which aired on TV on 9 January 1964 with guest star Jack Lord as Dr. Frank Michaels.